Debt Securities - Additional Information (Details)	6 Months Ended
Jun. 30, 2025 USD ($) Security	Dec. 31, 2024 USD ($)
Debt Securities, Available-for-Sale [Line Items]
Allowance for credit losses on available-for-sale securities	$ 0	$ 0
Available-for-sale, amortized cost	987,775,000	947,341,000
Available-for-sale securities, fair value	893,693,000	827,893,000
Debt securities, available-for-sale, unrealized loss position, accumulated loss	95,490,000	119,619,000
Debt securities, available-for-sale, unrealized loss position	766,042,000	791,045,000
Asset Pledged as Collateral [Member] \| Public Deposits and Other Required Purposes [Member]
Debt Securities, Available-for-Sale [Line Items]
Available-for-sale, amortized cost	654,205,000	581,017,000
Available-for-sale securities, fair value	586,907,000	499,585,000
Collateralized Mortgage Obligations [Member]
Debt Securities, Available-for-Sale [Line Items]
Available-for-sale, amortized cost	164,867,000	146,369,000
Available-for-sale securities, fair value	148,582,000	126,426,000
US Government Sponsored Entities and Agencies [Member]
Debt Securities, Available-for-Sale [Line Items]
Allowance for credit losses on available-for-sale securities	0
Available-for-sale securities, fair value	10,700,000
Debt securities, available-for-sale, unrealized loss position, accumulated loss	$ 1,300,000
Percent of mortgage-backed securities	98.00%
Asset-backed Securities [Member]
Debt Securities, Available-for-Sale [Line Items]
Available-for-sale, amortized cost	$ 49,451,000	51,110,000
Available-for-sale securities, fair value	48,908,000	50,817,000
Debt securities, available-for-sale, unrealized loss position, accumulated loss	617,000	401,000
Debt securities, available-for-sale, unrealized loss position	$ 37,445,000	31,273,000
Corporate Debt Securities [Member]
Debt Securities, Available-for-Sale [Line Items]
Available-for-sale, amortized cost		2,500,000
Available-for-sale securities, fair value		2,396,000
Debt securities, available-for-sale, unrealized loss position, accumulated loss		104,000
Debt securities, available-for-sale, unrealized loss position		$ 2,396,000
Securities Except U.S. Government and its Agencies [Member]
Debt Securities, Available-for-Sale [Line Items]
Number of security holdings greater than 10% percent of shareholders' equity \| Security	0

Number of security holdings greater than ten percent of shareholders equity.

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- Definition

The percent of mortgage backed securities.

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position without allowance for credit loss.

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Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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